pilot biscuit pilot bird • pilot bit · · · Info · Definitions · Synonyms · Characters · · pilot biscuit · · Text Common · · Latin · · Scripts 13 · · Length 5 · · Syllables Definitions · · · (noun) very hard unsalted biscuit or bread; a former ship's staple. Synonyms: hardtack, pilot biscuit, pilot bread, sea biscuit, ship biscuit. · · Noun Definition 1 Synonyms · · · hardtack · · Synonym 1 pilot bread · · Synonym 2 sea biscuit · · Synonym 3 ship biscuit · · Synonym 4 Characters · · space U+0020 b latin small letter b U+0062 c latin small letter c U+0063 i latin small letter i U+0069 l latin small letter l U+006C o latin small letter o U+006F p latin small letter p U+0070 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075